Yeah, we get it. It was an episode of pure character development, but it was the ONLY one which had absolutely no relevant plot. I am watching "The Sopranos", another extraordinary series, but there are a lot of episodes which are just fillers and no one bats an eye.

They could have just taken 30 million. that´s more than enough for the nazis. And besides, Walt doesn´t want to kill them because they stole the money, he wants to kill them because Jack killed our beloved mineral-man :D